Home / 9,479.93-13,080.08-5,498.78

Finding the Fourth Proportional to 9,479.93, 13,080.08 and 5,498.78

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Solution

The fourth proportional to 9,479.93, 13,080.08 and 5,498.78 is: 7,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.93 : 13,080.08 = 5,498.78 : x
  2. Step 2: Convert to fraction form
    9,479.93/13,080.08 = 5,498.78/x
  3. Step 3: Cross multiply
    9,479.93x = 13,080.08 × 5,498.78
  4. Step 4: Simplify right side
    9,479.93x = 71,924,430.65
  5. Step 5: Solve for x
    x = 71,924,430.65/9,479.93
  6. Step 6: Final answer
    x = 7,587.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.